The NI PXI-6221 is an M Series multifunction DAQ module combining 16 analog inputs, 2 analog outputs, 24 digital I/O lines, and two counters/timers.
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Key product information and technical features.
The PXI-6221 integrates analog I/O, correlated digital I/O, and digital triggering for laboratory automation, research, design verification, and manufacturing test.
Verified product specifications.
| Analog input channels | 16 single-ended or 8 differential |
|---|---|
| Analog input resolution | 16 bits |
| Maximum analog input sample rate | 250 single-channel or multichannel aggregate kS/s |
| Analog input ranges | ±0.2, ±1, ±5, ±10 V |
| Analog outputs | 2 channels, 16-bit, ±10 V |
| Maximum analog output update rate | 833 with one channel; 740 per channel with two channels kS/s |
| Digital I/O lines | 24 |
| Counters/timers | 2, 32-bit; 80 MHz maximum internal timebase |
| Form factor | Standard 3U PXI |
| I/O connector | One 68-pin VHDCI |
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Manufacturer
Modular instrumentation platform
M Series multifunction I/O module
NI-DAQmx
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Product-specific answers based on available technical information.
No. NI lists 191332B-03 as hybrid-slot compatible, but 191332B-13 and 191322A-0x as not compatible.